[all-commits] [llvm/llvm-project] 59074a: [ASan] Add metadata to renamed instructions so ASa...

[gbMattN via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 59074a376099333a2546c4e3a8b30693c8a3ee92
      https://github.com/llvm/llvm-project/commit/59074a376099333a2546c4e3a8b30693c8a3ee92
  Author: gbMattN <matthew.nagy at sony.com>
  Date:   2025-04-03 (Thu, 03 Apr 2025)

  Changed paths:
    M clang/lib/CodeGen/CGExpr.cpp
    A compiler-rt/test/asan/TestCases/shadowed-stack-serialization.cpp
    M compiler-rt/test/asan/TestCases/use-after-scope-inlined.cpp
    M llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp

  Log Message:
  -----------
  [ASan] Add metadata to renamed instructions so ASan doesn't use the i… (#119387)

…ncorrect name

Clang needs variables to be represented with unique names. This means
that if a variable shadows another, its given a different name
internally to ensure it has a unique name. If ASan tries to use this
name when printing an error, it will print the modified unique name,
rather than the variable's source code name

Fixes #47326



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